DE3664703D1 - Linear magneto-resistive detector, method of making it and its use in a detector for magnetic domains - Google Patents

Linear magneto-resistive detector, method of making it and its use in a detector for magnetic domains

Info

Publication number
DE3664703D1
DE3664703D1 DE8686401117T DE3664703T DE3664703D1 DE 3664703 D1 DE3664703 D1 DE 3664703D1 DE 8686401117 T DE8686401117 T DE 8686401117T DE 3664703 T DE3664703 T DE 3664703T DE 3664703 D1 DE3664703 D1 DE 3664703D1
Authority
DE
Germany
Prior art keywords
detector
making
magnetic domains
resistive
linear magneto
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
DE8686401117T
Other languages
English (en)
Inventor
Paul-Louis C O Thomson Meunier
Ernst C O Thomson-Csf S Huijer
Manijeh C O Thomson-Cs Razeghi
Jean-Claude C O Thoms Lehureau
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Thales SA
Original Assignee
Thomson CSF SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Thomson CSF SA filed Critical Thomson CSF SA
Application granted granted Critical
Publication of DE3664703D1 publication Critical patent/DE3664703D1/de
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/02—Measuring direction or magnitude of magnetic fields or magnetic flux
    • G01R33/06—Measuring direction or magnitude of magnetic fields or magnetic flux using galvano-magnetic devices
    • G01R33/09—Magnetoresistive devices
    • G01R33/093—Magnetoresistive devices using multilayer structures, e.g. giant magnetoresistance sensors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B82—NANOTECHNOLOGY
    • B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
    • B82Y25/00—Nanomagnetism, e.g. magnetoimpedance, anisotropic magnetoresistance, giant magnetoresistance or tunneling magnetoresistance
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/127—Structure or manufacture of heads, e.g. inductive
    • G11B5/33—Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only
    • G11B5/39—Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only using magneto-resistive devices or effects
    • G11B5/3903—Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only using magneto-resistive devices or effects using magnetic thin film layers or their effects, the films being part of integrated structures
    • G11B5/3993—Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only using magneto-resistive devices or effects using magnetic thin film layers or their effects, the films being part of integrated structures in semi-conductors
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/48—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed
    • G11B5/49—Fixed mounting or arrangements, e.g. one head per track
    • G11B5/4907—Details for scanning
    • G11B5/4915—Structure of specially adapted heads
    • G11B5/4923—Structure of specially adapted heads in which zones of the transducing part are being physically controllable
    • G11B5/493—Control of magnetic properties, e.g. saturation, anisotropy
    • G11B5/4938—Control of magnetic properties, e.g. saturation, anisotropy of thin magnetic films
    • G11B5/4946—Control of magnetic properties, e.g. saturation, anisotropy of thin magnetic films for formation or displacement of magnetic domains, e.g. walls, bubbles
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/48—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed
    • G11B5/49—Fixed mounting or arrangements, e.g. one head per track
    • G11B5/4969—Details for track selection or addressing
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/48—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed
    • G11B5/49—Fixed mounting or arrangements, e.g. one head per track
    • G11B5/4969—Details for track selection or addressing
    • G11B5/4976—Disposition of heads, e.g. matrix arrangement
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C19/00—Digital stores in which the information is moved stepwise, e.g. shift registers
    • G11C19/02—Digital stores in which the information is moved stepwise, e.g. shift registers using magnetic elements
    • G11C19/08—Digital stores in which the information is moved stepwise, e.g. shift registers using magnetic elements using thin films in plane structure
    • G11C19/0866—Detecting magnetic domains
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N50/00—Galvanomagnetic devices
    • H10N50/10—Magnetoresistive devices
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B2005/0002—Special dispositions or recording techniques
    • G11B2005/0032—Transducing means or record carriers including or interacting with each other through interposition of, a physically controllable magnetic flux masking or focusing element
DE8686401117T 1985-05-30 1986-05-27 Linear magneto-resistive detector, method of making it and its use in a detector for magnetic domains Expired DE3664703D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8508162A FR2582862B1 (fr) 1985-05-30 1985-05-30 Capteur a effet magneto-resistif lineaire, son procede de realisation et son application dans un detecteur de domaines magnetiques

Publications (1)

Publication Number Publication Date
DE3664703D1 true DE3664703D1 (en) 1989-08-31

Family

ID=9319702

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8686401117T Expired DE3664703D1 (en) 1985-05-30 1986-05-27 Linear magneto-resistive detector, method of making it and its use in a detector for magnetic domains

Country Status (5)

Country Link
US (1) US4827218A (de)
EP (1) EP0206865B1 (de)
JP (1) JPS61276385A (de)
DE (1) DE3664703D1 (de)
FR (1) FR2582862B1 (de)

Families Citing this family (20)

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US4912451A (en) * 1988-03-28 1990-03-27 Nippon Soken, Inc. Heterojunction magnetic field sensor
US4953590A (en) * 1988-04-22 1990-09-04 Tokyo Keiki Company Ltd. Electromagnetic directional control valve
US4988850A (en) * 1988-05-25 1991-01-29 Murata Mfg. Co., Ltd. Magnetoresistance element array
US5057678A (en) * 1988-06-09 1991-10-15 Hitachi Metals, Ltd. Magnetic sensor and card reader containing it
FR2650106B1 (fr) * 1989-07-21 1991-09-20 Thomson Csf Tete magnetique d'enregistrement multipiste a grand contraste de champ
JP2522214B2 (ja) * 1989-10-05 1996-08-07 日本電装株式会社 半導体装置およびその製造方法
US5043693A (en) * 1990-08-13 1991-08-27 The United States Of America As Represented By The Secretary Of The Navy Heterogeneous magnetoresistive layer
US5134248A (en) * 1990-08-15 1992-07-28 Advanced Temperature Devices, Inc. Thin film flexible electrical connector
DE4425356C2 (de) * 1993-09-29 1998-07-02 Siemens Ag Magnetoresistiver Sensor unter Verwendung eines Sensormaterials mit perowskitähnlicher Kristallstruktur
FR2723243B1 (fr) * 1994-07-26 1996-09-06 Thomson Csf Dispositif d'enregistrement et/ou de lecture de tetes magnetiques et son procede de realisation
US5767673A (en) * 1995-09-14 1998-06-16 Lucent Technologies Inc. Article comprising a manganite magnetoresistive element and magnetically soft material
US5622874A (en) * 1995-12-14 1997-04-22 Nec Research Institute, Inc. Process for forming a magnetoresistive sensor for a read/write head
US5712612A (en) * 1996-01-02 1998-01-27 Hewlett-Packard Company Tunneling ferrimagnetic magnetoresistive sensor
US6114188A (en) * 1996-04-12 2000-09-05 Northeastern University Method of fabricating an integrated complex-transition metal oxide device
US6171886B1 (en) * 1998-06-30 2001-01-09 Eastman Kodak Company Method of making integrated hybrid silicon-based micro-actuator devices
FR2786345B1 (fr) 1998-11-24 2001-02-09 Thomson Csf Dispositif de cryptage quantique
DE10016636A1 (de) 2000-04-04 2001-10-18 Siemens Ag Stellungsregler, insbesondere für ein durch einen Antrieb betätigbares Ventil
US7149173B2 (en) * 2000-10-17 2006-12-12 Thales Medium for recording optically readable data, method for making same and optical system reproducing said data
FR2824905B1 (fr) * 2001-05-15 2003-08-29 Thomson Csf Gyrometre a fibre optique
WO2007030699A1 (en) * 2005-09-08 2007-03-15 Sri International Rfid tags having ferromagnetic patches

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Publication number Priority date Publication date Assignee Title
US3731123A (en) * 1968-11-05 1973-05-01 Sony Corp Magnetic field detecting apparatus
US3607390A (en) * 1969-09-29 1971-09-21 Ibm Single crystal ferrimagnetic films
FR2165206A5 (de) * 1971-12-22 1973-08-03 Cii
US3943481A (en) * 1972-06-10 1976-03-09 Denki Onkyo Co., Ltd. Galvano-magnetic effect device
US4046618A (en) * 1972-12-29 1977-09-06 International Business Machines Corporation Method for preparing large single crystal thin films
US3909710A (en) * 1974-01-14 1975-09-30 Us Air Force Magnetic surface wave rotation rate sensor using the sagnac effect
US3898359A (en) * 1974-01-15 1975-08-05 Precision Electronic Component Thin film magneto-resistors and methods of making same
JPS5133898A (de) * 1974-09-17 1976-03-23 Hitachi Ltd
JPS51147191A (en) * 1975-06-12 1976-12-17 Asahi Chem Ind Co Ltd Hall element and its method of manufacturing
US4097802A (en) * 1975-06-30 1978-06-27 International Business Machines Corporation Magnetoresistive field sensor with a magnetic shield which prevents sensor response at fields below saturation of the shield
US4147584A (en) * 1977-12-27 1979-04-03 Burroughs Corporation Method for providing low cost wafers for use as substrates for integrated circuits
JPS57177583A (en) * 1981-04-14 1982-11-01 Int Standard Electric Corp Holl effect device
JPS58130517A (ja) * 1982-01-29 1983-08-04 Hitachi Ltd 単結晶薄膜の製造方法
JPS58166781A (ja) * 1982-03-26 1983-10-01 Pioneer Electronic Corp 磁電変換素子
CH659896A5 (de) * 1982-11-22 1987-02-27 Landis & Gyr Ag Magnetfeldsensor.
GB2143038B (en) * 1983-07-06 1987-12-23 Standard Telephones Cables Ltd Hall effect device
US4624901A (en) * 1985-04-04 1986-11-25 Rockwell International Corporation Intermediary layers for epitaxial hexagonal ferrite films

Also Published As

Publication number Publication date
JPS61276385A (ja) 1986-12-06
FR2582862B1 (fr) 1987-07-17
US4827218A (en) 1989-05-02
FR2582862A1 (fr) 1986-12-05
EP0206865A1 (de) 1986-12-30
EP0206865B1 (de) 1989-07-26

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee